SOLD FOR $7,500,000
· Closed August 14, 2015
16 W 21st Street #PH
MLS® #RLS10096153
Listing by Compass
3
Bedrooms
3.5
Baths
3,695
Sq. Ft.
2010
Year Built
Quick Summary
Property Highlights
- Views: City
- Exposure: North,South facing
- Outdoor Space: Terrace
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Mar 10, 2015 | $7,500,000 | - |
| Price Reduced | Aug 14, 2015 | $7,995,000 | +6.6% |
Description
Constructed in 2011 by award winning architect Morris Adjmi in collaboration with fashion designer Zac Posen, this exceptional Penthouse condominium triplex moments from Madison Square Park is Architectural Digest-quality. Gut renovated to the highest standards with every convenience and luxury, this home has been painstakingly appointed to the most exacting standards.
At approximately 3,695sf with 750sf private outdoor space, this Penthouse has a Townhouse feeling that defines sophistication. The elevator opens to a landing that leads to the great room/living room with a gas fireplace and large North facing windows. A foyer leads to two southern facing bedrooms with planted terrace plus two bathrooms beautifully appointed with Bosco marble. On this floor is a laundry room with a Bosch washer and vented dryer.
The Upper Level boasts a formal dining/living area with fireplace and a Chef?s kitchen superbly appointed with a Sub Zero refrigerator and wine refrigerators, Miele gas cooktop, dishwasher, steam oven, plate warmer, built in coffee system and custom millwork pantry. For additional dining, the extraordinary terrace with a pergola for privacy leading off the kitchen provides for splendid al fresco dining with a Viking gas grill with rotisserie, sink and storage.
The spectacular entire Top floor is designated to the master suite, also with a fireplace, his and hers walnut dressing rooms, and an office. The glass walled master bathroom with a one-way privacy screen, inspiring freestanding tub and steam shower. Heated floors are featured in all bathrooms, all the fixtures are by Lefroy Brooks, hardware is Samuel Heath, baths are by Duravit and Sunrise, Regency Noir and Trousdale marble mosaic and Bosco marble floors, Robern mirror cabinets.
The impressive private rooftop terrace was designed by Brook Landscape and is fully irrigated: ipe, cedar and river stone are featured here with a pergola and custom copper outdoor shower as well as additional storage.
The entire Penthouse was designed with impeccable attention to detail. There is access to all the floors by the elevator or the gracious Skylit stairway. A Savant system features throughout and all the windows are triple paned oversized windows, transporting light throughout, accented by the tall ceilings. The building with doorman is certified LEED construction and a features a custom glass facade. 16 West 21st offers a skylit gym, sauna and steam room as well as cold storage.
This magnificent Penthouse located in the vibrant Flatiron District, centrally located and home to the best restaurants the city has to offer, is in close proximity to major subway lines, retail stores, Madison Square and Union Square Park, Eataly and the brand new Edition Hotel .
Features & Amenities
Interior Features
Exterior Features
Appliances
Building Information
Financial Details
About Flatiron
View All Flatiron ListingsThe Flatiron District is a busy intersection of history, technology, and luxury living. Named after the iconic Flatiron Building, the neighborhood is centered around Madison Square Park and is a hub for the city's 'Silicon Alley.' The real estate market is famous for its grand cast-iron loft buildings with high ceilings and expansive floor plans, alongside ultra-luxury glass towers that offer modern amenities and central Manhattan convenience.
Flatiron Live Market Data
View NeighborhoodActive Listings
135
Median Asking Price
$2.29M
Median $/Sqft
$1,775
Avg Days on Market
N/A
New This Week
7
Price Reduced
32%
Sold (30 Days)
0
Median Sale Price
N/A
Live data from RLS at REBNY • Updated 5/14/26, 5:40 PM EST
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Location
16 W 21st Street #PH, Flatiron, New York County • Near Fifth Avenue/Sixth Avenue
Building Information
Official NYC property records for this building
Tax & Assessment
Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.
Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)
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Listing Data
RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.
Building Data
NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning. Updated quarterly.
Market Data
RLS® at REBNY (Real Estate Board of New York). Live data updated in real-time.
Map & Location
OpenStreetMap contributors via Leaflet. Geocoding via Nominatim.
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Frequently Asked Questions
Common questions about this property
The current listed common charges are $4,779 per month. Confirm the exact amount with the listing broker before making an offer.
The current listed annual property tax is $19,764, or roughly $1,647 per month. Verify the current assessment with your attorney before closing.
This property has 3 bedrooms and 3 full bathrooms and 1 half bathroom.
The listed interior living area is 3,695 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 2010, making it approximately 16 years old.
This listing is a condominium. Buyers receive a deed to their individual unit and own their space outright, subject to condo association rules.
Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.
At the current list price of $7,500,000 for 3,695 sq ft, the asking price per square foot is approximately $2,030. This figure is for reference only and may differ from appraised or assessed values.
To schedule a private showing, contact Milton Coste at (917) 416-7433 or [email protected]. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.
Have a question not answered here?
(917) 416-7433Listing Courtesy of Compass - Lois Planco
Listing Contact: (917) 915-0916
Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., all rights reserved. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.
Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.
RLS Data display by Keller Williams NYC. Data last updated on 5/14/2026 at 9:40 PM UTC